void DATAshow(DataGridView DATA_shpLine, shpfile shp) //在数据窗口显示数据
{
DATA_shpLine.Rows.Clear(); //清空窗口
int row_number = 0;
DATA_shpLine.Rows.Add();
DATA_shpLine.Rows[row_number].Cells[0].Value = "线段总数：";
DATA_shpLine.Rows[row_number].Cells[1].Value = shp.line.Count;
DATA_shpLine.Rows[row_number].Cells[2].Value = "图层类型：";
DATA_shpLine.Rows[row_number++].Cells[3].Value = "线";
for (int i = 0; i < shp.line.Count; i++)
{
DATA_shpLine.Rows.Add();
DATA_shpLine.Rows[row_number].Cells[0].Value = "线段序号：";
DATA_shpLine.Rows[row_number].Cells[1].Value = shp.line[i].recordNumber;
DATA_shpLine.Rows[row_number].Cells[2].Value = "折线段数：";
DATA_shpLine.Rows[row_number++].Cells[3].Value = shp.line[i].numpoints - 1;
for (int j = shp.line[i].parts[0]; j < shp.line[i].numpoints - 1; j++)
{
DATA_shpLine.Rows.Add();
DATA_shpLine.Rows[row_number].Cells[0].Value = shp.line[i]
.ponits[j].X.ToString("0.0000");
DATA_shpLine.Rows[row_number].Cells[1].Value = shp.line[i]
.ponits[j].Y.ToString("0.0000");
DATA_shpLine.Rows[row_number].Cells[2].Value = shp.line[i]
.ponits[j + 1].X.ToString("0.0000");
DATA_shpLine.Rows[row_number++].Cells[3].Value = shp.line[i]
.ponits[j + 1].Y.ToString("0.0000");
}
}
}
public List <List <double> > improve_Hausdorff(shpfile shp1, shpfile shp2) //基于改进的Hausdorff_SMHD距离
{
List <List <double> > im_Hausdorff_D = new List <List <double> >();
for (int i = 0; i < shp1.line.Count; i++)
{
List <double> Haus_D = new List <double>();
for (int j = 0; j < shp2.line.Count; j++)
{
Haus_D.Add(im_H_Line_D(shp1.line[i], shp2.line[j]));
}
im_Hausdorff_D.Add(Haus_D);
}
return(im_Hausdorff_D);
}
public List <List <double> > aver_Feachet(shpfile shp1, shpfile shp2)//求出两个.shp文件的各个线实体的平均Frechet距离
{
List <List <double> > Feachet_D = new List <List <double> >();
for (int i = 0; i < shp1.line.Count; i++)
{
List <double> fc_d = new List <double>();
for (int j = 0; j < shp2.line.Count; j++)
{
fc_d.Add(aver_Feachet_line(shp1.line[i], shp2.line[j]));
}
Feachet_D.Add(fc_d);
}
return(Feachet_D);
}
public List <List <double> > Hausdorff(shpfile shp1, shpfile shp2) //求出两个.shp文件的各个线实体的hausdroof距离
{
List <List <double> > hausfroff_D = new List <List <double> >();
for (int i = 0; i < shp1.line.Count; i++)
{
List <double> Haus_D = new List <double>();
for (int j = 0; j < shp2.line.Count; j++)
{
Haus_D.Add(Math.Max(H_line_D(shp1.line[i], shp2.line[j]), H_line_D(shp2.line[j], shp1.line[i])));
}
hausfroff_D.Add(Haus_D);
}
return(hausfroff_D);
}
private void open_shpfile_Click(object sender, EventArgs e) // 打开shpfile文件
{
if (readnum == 0) //全部初始化
{
shp1 = new shpfile();
shp2 = new shpfile();
dis_result[0] = null;
dis_result = new discriminant_result[5];
all_rangeX.Clear();
all_rangeY.Clear();
checkedListBox1.SetItemChecked(0, true);
checkedListBox1.SetItemChecked(1, true);
pictureBox1.BackgroundImage = new Bitmap(835, 470);
REPORT_show.Text = "";
}
;
try
{
OpenFileDialog opf = new OpenFileDialog();
opf.InitialDirectory = Path;
opf.Title = "请选择导入shp文件";
opf.Filter = "(*.shp)|*.shp";
status_text("玩命加载中 请稍等……", Color.Black);
if (opf.ShowDialog() == DialogResult.OK)
{
string shppath = opf.FileName;
if (readnum == 0)
{
readshp(shppath, shp1);
DATAshow(DATA_shpLine1, shp1); //显示读取的数据
DATA_shpLine2.Rows.Clear();
status_text("成功读取第一个shpfile文件", Color.Black);
readnum = 1;
}
else
{
readshp(shppath, shp2);
DATAshow(DATA_shpLine2, shp2); //显示读取的数据
status_text("成功读取第二个shpfile文件", Color.Black);
readnum = 0;
}
DATA_show.BringToFront();
}
}
catch { MessageBox.Show("程序错误"); }
}
void readshp(string shppath, shpfile shp) //读取shpfile文件
{
BinaryReader br = new BinaryReader(new FileStream(shppath, FileMode.Open,
FileAccess.Read)); //建立读取文件的二进制文件流
br.ReadBytes(24); //读取头文件信息
shp.filelength = shp.bigtolitter(br.ReadInt32()); //读取文件长度及进行转换
br.ReadInt32();
shp.shapeType = br.ReadInt32(); //读取图层的集合类型
all_rangeX.Add(br.ReadDouble()); //读取该图层的坐标范围
all_rangeY.Add(br.ReadDouble());
all_rangeX.Add(br.ReadDouble());
all_rangeY.Add(br.ReadDouble());
br.ReadBytes(32); //读取头文件信息结束
//读取线实体信息
while (br.PeekChar() != -1)
{
shpline shpl = new shpline();
shpl.recordNumber = shp.bigtolitter(br.ReadInt32()); //该线实体序号
shpl.contentlength = shp.bigtolitter(br.ReadInt32()); //该线实体信息长度
br.ReadUInt32();
shpl.Box[0] = br.ReadDouble(); //该线实体的范围（X，Y，最大最小）
shpl.Box[1] = br.ReadDouble();
shpl.Box[2] = br.ReadDouble();
shpl.Box[3] = br.ReadDouble();
shpl.numparts = br.ReadInt32(); //线段的起点在总的点数组中的位置
shpl.numpoints = br.ReadInt32(); //该线实体的点的个数
shpl.parts = new int[shpl.numparts];
shpl.ponits = new PointD[shpl.numpoints];
for (int i = 0; i < shpl.numparts; i++)
{
shpl.parts[i] = br.ReadInt32();
}
for (int i = 0; i < shpl.numpoints; i++) //读取点信息
{
shpl.ponits[i].name = (shp.line.Count + 1).ToString() + "-" + (i + 1);
shpl.ponits[i].X = br.ReadDouble();
shpl.ponits[i].Y = br.ReadDouble();
}
shp.line.Add(shpl);
}
}
public void save_dxf(string path, List <double> rangeX, List <double> rangeY, shpfile shp1, shpfile shp2)// 保存.dxf文件
{
double smX = (rangeX.Max() - rangeX.Min());
double smY = (rangeY.Max() - rangeY.Min());
double scaling_magnification = Math.Max(smX, smY) / 100;
StreamWriter sw = new StreamWriter(path); //(同步读写)
writeline(sw, "0", "SECTION"); //开始建立图层
writeline(sw, "2", "TABLES");
writeline(sw, "0", "TABLE");
writeline(sw, "2", "LAYER");
layer(sw, "shp1", 70);
layer(sw, "shp2", 10);
layer(sw, "shp1_name", 50);
layer(sw, "shp2_name", 110);
writeline(sw, "0", "ENDTAB");
writeline(sw, "0", "ENDSEC"); //结束建立图层
writeline(sw, "0", "SECTION"); //开始画图
writeline(sw, "2", "ENTITIES");
//画出图层1
for (int i = 0; i < shp1.line.Count; i++)
{
for (int j = 0; j < shp1.line[i].numpoints - 1; j++)
{
line(sw, (float)shp1.line[i].ponits[j].X, (float)shp1.line[i].ponits[j].Y,
(float)shp1.line[i].ponits[j + 1].X, (float)shp1.line[i].ponits[j + 1].Y, "shp1");
text(sw, (float)((shp1.line[i].ponits[j].X + shp1.line[i].ponits[j + 1].X) / 2.0) + float.Parse((0.3).ToString()),
(float)((shp1.line[i].ponits[j].Y + shp1.line[i].ponits[j + 1].Y) / 2.0), "shp1",
shp1.line [i].ponits[j].name, float.Parse(scaling_magnification.ToString()));
}
// text(sw, (float)shp1.line[i].ponits[shp1.line[i].numpoints - 1].X + float.Parse((0.3).ToString()), (float)shp1.line[i].ponits[shp1.line[i].numpoints - 1].Y, "shp1",
// shp1.line[i].ponits[shp1.line[i].numpoints - 1].name, float.Parse((5).ToString()));
}
//画出图层2
for (int i = 0; i < shp2.line.Count; i++)
{
for (int j = 0; j < shp2.line[i].numpoints - 1; j++)
{
line(sw, (float)shp2.line[i].ponits[j].X, (float)shp2.line[i].ponits[j].Y,
(float)shp2.line[i].ponits[j + 1].X, (float)shp2.line[i].ponits[j + 1].Y, "shp2");
text(sw, (float)((shp2.line[i].ponits[j].X + shp2.line[i].ponits[j + 1].X) / 2.0) + float.Parse((0.3).ToString()),
(float)((shp2.line[i].ponits[j].Y + shp2.line[i].ponits[j + 1].Y) / 2.0), "shp2",
shp2.line[i].ponits[j].name, float.Parse(scaling_magnification.ToString()));
}
// text(sw, (float)shp2.line[i].ponits[shp2.line[i].numpoints - 1].X + float.Parse((0.3).ToString()), (float)shp2.line[i].ponits[shp2.line[i].numpoints - 1].Y, "shp2",
// shp2.line[i].ponits[shp2.line[i].numpoints - 1].name, float.Parse((5).ToString()));
}
writeline(sw, "0", "ENDSEC");
writeline(sw, "0", "EOF");
sw.Close();
}
public Bitmap get_picture(List <double> rangeX, List <double> rangeY, shpfile shp1, shpfile shp2) //在画布上画出图形，并得到画布
{
Bitmap bmap = new Bitmap(835, 470);
Graphics gph = Graphics.FromImage(bmap);
gph.Clear(Color.White); //清空背景
Brush bru = new SolidBrush(Color.Blue);
double smX = (rangeX.Max() - rangeX.Min()) / 800.0;
double smY = (rangeY.Max() - rangeY.Min()) / 450;
double scaling_magnification = Math.Max(smX, smY); //统一X，Y轴的缩放比例
PointF base_shp_p = new PointF((float)rangeX.Min(), (float)rangeY.Min()); //两个图层的基点（x最小和y最小）
PointF base_p = new PointF(15, 7);
if (scaling_magnification == smX)
{
base_p.Y = (float)(base_p.Y - (450 - (rangeY.Max() - rangeY.Min()) / scaling_magnification) / 2.0);
}
else
{
base_p.X = (float)(base_p.X + (800 - (rangeX.Max() - rangeX.Min()) / scaling_magnification) / 2.0);
}
Pen pen = new Pen(Color.Blue, (float)0.001);
for (int i = 0; i < shp1.line.Count(); i++) //画图层1
{
for (int j = 0; j < shp1.line[i].numpoints - 1; j++)
{
gph.DrawLine(pen, fun1(base_p, shp1.line[i].ponits[j], base_shp_p, scaling_magnification),
fun1(base_p, shp1.line[i].ponits[j + 1], base_shp_p, scaling_magnification)); //画折线
gph.FillEllipse(new SolidBrush(Color.Blue),
fun1(base_p, shp1.line[i].ponits[j], base_shp_p, scaling_magnification).X - (float)1 * (float)scaling_magnification / 2,
fun1(base_p, shp1.line[i].ponits[j], base_shp_p, scaling_magnification).Y - (float)1 * (float)scaling_magnification / 2,
(float)1 * (float)scaling_magnification, (float)1 * (float)scaling_magnification);
// gph.DrawString(shp1.line[i].ponits[j].name, new Font("宋体", 8f), bru, //画点名(如果线段很多，它的点名重复，图像会变得非常模糊)
// fun1(base_p, shp1.line[i].ponits[j], base_shp_p, scaling_magnification));
}
gph.FillEllipse(new SolidBrush(Color.Blue),
fun1(base_p, shp1.line[i].ponits[shp1.line[i].numpoints - 1], base_shp_p, scaling_magnification).X - (float)1 * (float)scaling_magnification / 2,
fun1(base_p, shp1.line[i].ponits[shp1.line[i].numpoints - 1], base_shp_p, scaling_magnification).Y - (float)1 * (float)scaling_magnification / 2,
(float)1 * (float)scaling_magnification, (float)1 * (float)scaling_magnification);
// gph.DrawString(shp1.line[i].ponits[shp1.line[i].numpoints - 1].name, new Font("宋体", 8f), bru,
// fun1(base_p, shp1.line[i].ponits[shp1.line[i].numpoints - 1], base_shp_p, scaling_magnification));
}
pen = new Pen(Color.Red, (float)0.001);
for (int i = 0; i < shp2.line.Count(); i++) //画图层2
{
for (int j = 0; j < shp2.line[i].numpoints - 1; j++)
{
gph.DrawLine(pen, fun1(base_p, shp2.line[i].ponits[j], base_shp_p, scaling_magnification),
fun1(base_p, shp2.line[i].ponits[j + 1], base_shp_p, scaling_magnification)); //画折线
gph.FillEllipse(new SolidBrush(Color.Red), //画线实体的转折点
fun1(base_p, shp2.line[i].ponits[j], base_shp_p, scaling_magnification).X - (float)1 * (float)scaling_magnification / 2,
fun1(base_p, shp2.line[i].ponits[j], base_shp_p, scaling_magnification).Y - (float)1 * (float)scaling_magnification / 2
, (float)1 * (float)scaling_magnification, (float)1 * (float)scaling_magnification);
// gph.DrawString(shp2.line[i].ponits[j].name, new Font("宋体", 8f), bru, //画点名(如果线段很多，它的点名重复，图像会变得非常模糊)
// fun1(base_p, shp2.line[i].ponits[j], base_shp_p, scaling_magnification));
}
gph.FillEllipse(new SolidBrush(Color.Red), fun1(base_p,
shp2.line[i].ponits[shp2.line[i].numpoints - 1], base_shp_p, scaling_magnification).X - (float)1 * (float)scaling_magnification / 2,
fun1(base_p, shp2.line[i].ponits[shp2.line[i].numpoints - 1], base_shp_p, scaling_magnification).Y - (float)1 * (float)scaling_magnification / 2,
(float)1 * (float)scaling_magnification, (float)1 * (float)scaling_magnification);
// gph.DrawString(shp2.line[i].ponits[shp2.line[i].numpoints - 1].name, new Font("宋体", 8f), new SolidBrush(Color.Red),
// fun1(base_p, shp2.line[i].ponits[shp2.line[i].numpoints - 1], base_shp_p, scaling_magnification));
}
return(bmap);
}
